Ptah
Playfair cipher
Initializing search
Ptah
Home
Web Development
Web Development
Web Intro
Web Intro
Internet Basics
Clients and Servers
URIs and URLs
HTTP (Hypertext Transfer Protocol)
Lab, Viewing Requests
HTML
HTML
Basics
Hello World
Attributes
Forms
Glossary
Labs
CSS
CSS
Basics
Hello World
Selectors
More Selectors
Specificity
Cascade
Box Model
Display
Float Left/Right
Position Relative
Position Absolute
Position Fixed
Style Rules List
Labs
JavaScript
JavaScript
Fundamentals
Fundamentals
Overview
Overview
Chrome Console
Types
Types
Declarations
Primitives
Numbers
Strings
Arrays
Null and Undefined
Dynamic Typing
Hoisting
Scope
Statement Termination
Labs
Operators and Expressions
Operators and Expressions
Type Conversion
TypeOf and Operand Conversion
Operator Reference Table
Labs
Type and Equality
Type and Equality
JS Type Conversion
How Is It Performed
Identity vs Equality
isNaN
Conversion Reference Table
Labs
Control Flow
Control Flow
Conditional Statements
Loops
Try Catch Finally
Labs
Functions
Functions
Definitions
Expressions
Parameters
Scope
Arrow Functions
Higher Order
Basic Functions Labs
Seeing Errors Labs
RNA Project
Arrays
Arrays
Array Basics
Is It An Array
Index Of / Last Index Of
Shift / Unshift
Reverse / Sort
Split Join Slice Splice
For Each / Map
Filter / Reduce
Basic Arrays Labs
Array Methods Labs
More Array Methods Labs
Algorithms Labs
Objects
Objects
Overview
Creating Objects
Initializing with Properties
Manipulating Properties
Object Methods
For In
This
Modules
Objects Key-Value Pairs Labs
Mage Labs
Game Logic Labs
DOM
DOM
Intro to DOM
Intro to DOM
Document Object Model
HTML Review
Accessing the DOM
Accessing the DOM
Selecting HTML Elements
Labs
DOM Traversal
DOM Traversal
Traversing the DOM
Using Selected Element
Labs
Event Listeners
Event Listeners
Listening for Events
Using Event Listeners
Event Object
Removing Events
ACP
Labs
DOM Manipulation
DOM Manipulation
Dynamically Creating Elements
Dynamically Remove Elements
Selecting Forms By Name
Forms and Event Listeners
Labs
JS Calculator
JS Grandma
JS Racer
Table Builder
XHR
XHR
Async and Event Loop
Async and Event Loop
Asynchronicity
Event Loop
JS Function Lifecycle
XMLHttpRequest
XMLHttpRequest
AJAX
XHR Object
Create and Open Request
Send
OnReadyStateChange
Status
Response Text
Post
GET Labs
Labs
Event Tracker
Event Tracker
Boot Deployment
Docker
Docker
Basics
Commands
Images
Containers
Volumes
Networking
Dockerfiles
Docker Compose
Git
Git
Setup
Basics
Repositories
Commands
Committing
Branching
Merging
Remotes
Undoing
Advanced
Java Programming
Java Programming
Java Fundamentals & OOP
Java Fundamentals & OOP
Day 1 Setup
Day 1 Setup
Command Line
Eclipse
Eclipse
Intro to Eclipse
Installing Eclipse
Workspaces
Starting a Project
Importing Projects
Editors Views Perspectives
Java Editor
Shortcut Keys
Simple Programs
Simple Programs
Programming
Programming Language
Programming Process
App System vs Application
Input and Output
Errors
Labs
Variables and Constants
Variables and Constants
Variables
Types
Literals
Assign
Rules
Output
Labs
Screen Output and Keyboard Input
Screen Output and Keyboard Input
Output
String Output
Formatting
Input
Labs
Expressions
Expressions
Expressions
Arithmetic
Assignment
Relational
Logical
Short Circuit
Precedence
Precedence Order
Associativity
Evaluation
Labs
More Expressions
More Expressions
Boolean Expressions
Boolean Variables
Pre/Post Increment
Operator Assign
Ternary Operator
Labs
If/Else
If/Else
If
If Details
Code Block
Else
Else If
Nesting
Flow
String Comparison
Labs
Switch
Switch
Switch
Switch Break Default
Switch When
Labs
While Loops
While Loops
Looping
While
While Detailed
While Steps
Do While
Infinite
Break Continue
Scope
Labs
For Loops
For Loops
For
For Diagram
For Parts
For Body
For When
Break Continue
Labs
Advanced For Loops
Advanced For Loops
For Each
Nested For
Break Continue
Labs
Data Types
Data Types
Primitives
Primitives Declaring
Types So Far
Types Matter
Memory
Bits and Bytes
MSB
Binary Math
Primitives Memory
Long
Floating Point
Switch
Labs
Numeral Systems
Numeral Systems
Tallying
Positional Notation
Bin Oct Dec Hex
Java Literals
Printf
Labs
Casting Data Types
Casting Data Types
Casting
Implicit
Promotion
Int Promotion
Casting Hints
Labs
Intro to Methods
Intro to Methods
Why
Method Definition
Main
Calling
Labs
Methods
Methods
Repeated Code
Return
Using Return
Parameters
Parameters 2
Pass By Value
Local Variables
Overloading
Review
Labs
Arrays
Arrays
Array
Declaring
Creating
Initializing
Three Ways
Access
Defaults
Variables
Iterating
Passing
Labs
Advanced Arrays
Advanced Arrays
Arrays
Accessing
For
For Each
Shortcuts
Arrays of Arrays
Returning Arrays
Varargs
Labs
Intro to Objects
Intro to Objects
Classes
Fields
State and Behavior
Object Creation
References
Objects Used
Static
Labs
Projects
Projects
Make Change
Simple Calculator
Mad Libs 1
Hi/Lo
FizzBuzz
Fibonacci
Tic Tac Toe
Remote Control
Deaf Grandma Objects
Java OOP (Java 1)
Java OOP (Java 1)
Objects
Objects
Intro
Constructor
Default Constructor
Heap
Heap Image
Public
Objects UML
Objects UML
Class Diagram
Drawing Objects
Has-A
Labs
Encapsulation
Encapsulation
Encapsulation
Visibility
Instance Fields
Getters and Setters
This
Labs
Visibility
Visibility
Visibility
Getters and Setters
Getters Setters Labs
String and StringBuilder
String and StringBuilder
String
String Methods
The String Pool
StringBuilder
StringBuilder Methods
toString
Labs
Wrapper Classes
Wrapper Classes
Wrapper Classes
Integer Types
Float/Double
Character
Boolean
Wrapper Methods
Autoboxing
Comparing Wrappers
Labs
ASCII Data
ASCII Data
ASCII
Standards
Unicode
Labs
Inheritance
Inheritance
Inheritance
Extends
Fields
Methods
Final
UML
Fields and Methods Labs
Super Classes
Super Classes
Super
Super Constructor
Super Rules
Object
Labs
Polymorphism
Polymorphism
Polymorphism
Override
Override Rules
Override Annotation
Override Labs
Polymorphism 2
Polymorphism 2
Casting
Downcasting
Casting Precedence
Instance Hiding
Labs
Equals and HashCode
Equals and HashCode
Determining Equality
Reference Comparison
Object Equals
Defining Equals
HashCode
Labs
Abstract Classes
Abstract Classes
Abstract Classes
Abstract Methods
Using Abstract Classes
Labs
Interfaces
Interfaces
Interfaces
Declaring Interfaces
Using Interfaces
Using Interfaces Labs
Packages
Packages
Intro to Packages
Namespaces
Package Names
Creating Packages
Imports
Static Imports
Labs
Object Initialization
Object Initialization
Order of Initialization
Instance Initializers
Static Initializers
Final
Private Methods
This vs This
Labs
Unit Testing
Unit Testing
Testing
TDD
Build and Deploy
JUnit
Test Class
Test Methods
Assert
Before and After
Labs
Projects
Projects
Mad Libs StringBuilder
Animal Menu Quiz
Animal Sanctuary
Food Trucks
Caesar's Cipher
Advanced Java (Java 2)
Advanced Java (Java 2)
JVM
JVM
Java Virtual Machine
JRE
JDK
Java Spec
Labs
Args Array
Args Array
Main Method
Args Array
Args in Eclipse
Handling Arguments
Labs
Generics and ArrayList
Generics and ArrayList
Arrays
ArrayList
Array vs ArrayList
ArrayList Size
Parameterized Types
Adding and Getting
Replacing Inserting Removing
Labs
List Interface
List Interface
List
List and Class
List Methods
LinkedList
Vector
Labs
Set Interface
Set Interface
Collection
Set
HashSet LinkedHashSet
SortedSet TreeSet
Iterator
Labs
Map Interface
Map Interface
Map
HashMap
Map Classes
Map When
Labs
HashMap Internals
HashMap Internals
Buckets
HashCode
Load Factor
Map Entry
Labs
Collection Sorting
Collection Sorting
Arrays Class
Collections Class
Sorting Lists
Sorting Maps
Sorting with Comparable
Sorting with Comparator
Labs
Exceptions
Exceptions
Exceptions Intro
Throwable
Exception
Checked Exceptions
Exception Subclass
Throw
Finally
Handling Exceptions Labs
Labs
Exceptions JUnit
Exceptions JUnit
Test Exceptions
Try Catch Exceptions
Labs
Enumerated Types
Enumerated Types
Enum
Using
Enum Details
Enum Members
Enum Methods
Labs
Interfaces 2
Interfaces 2
Intro
Fields
Static Methods
Default Methods
Interface Inheritance
Multiple Inheritance
Labs
Inner Classes
Inner Classes
Inner Classes
Member Classes
Local Classes
Anonymous Classes
Anonymous and Interfaces
Instance Initializers
Compiling
Labs
Lambdas
Lambdas
Inner Classes Review
Inner Classes and Lambdas
Lambda Syntax
Lambda Translation
Lambda Selection
Standard Functional Interfaces
Predicate
Labs
Dates and Times
Dates and Times
Temporal Data
LocalDate
LocalTime
LocalDateTime
DateTimeFormatter
Duration and Period
Labs
Garbage Collection
Garbage Collection
Objects and Heap
Garbage Collection
Understanding GC
GC Strategies
Finalize
Labs
Debugging
Debugging
Bugs
Manual Output
Conditional Output
Commenting
Debugger
Eclipse Debugger
Debug Perspective
Breakpoints
Controls
Variables
Labs
Input/Output Streams
Input/Output Streams
Overview of Streams
File Object
BufferedReader
PrintWriter Class
Closing Streams
Labs
Regular Expressions
Regular Expressions
Intro
Wildcards
Quantifiers
Grouping
Options
Assertions
Labs 1
Labs 2
Regular Expressions Java
Regular Expressions Java
Regex Java
Pattern
Matcher
Groups
String Methods
Labs
JUnit 5
JUnit 5
JUnit 5
Test
Assertions
Exceptions
Display Name
Before and After
Labs
History
History
Inner Classes
Lambdas
Dates and Times
Projects
Projects
Name Separator App
Mad Libs Files
Roman Numerals
White Rabbit
Data Entry with Exceptions
Powerball
NBA Draft
Jets
Blackjack
Declaration
Lambda Quiz
Rental Store Quiz
Java Web Development
Java Web Development
Java Web Intro
Java Web Intro
Clients and Servers
Web Apps
Java Web App
Servlet
WAR
Web XML
Configuration
Servlet Labs
Labs
Eclipse Tomcat
Eclipse Tomcat
Tomcat Setup
Eclipse Server Setup
Dynamic Web Apps
Dynamic Web Apps
Dynamic
Servlet
Maven
Labs
Labs 2
Web Data
Web Data
Request Response
Request Data
Forms
Servlet Data
GET vs POST
Request Headers
Status Codes
Labs
Labs 2
JSP Views
JSP Views
MVC
JSP Intro
Using JSP
WEB-INF
Labs
Expression Language
Expression Language
EL
EL Model
Java Beans
EL Operators
Labs
Tag Libraries
Tag Libraries
JSTL
Escaping
Conditionals
List Iteration
Map Iteration
Formatting
Labs
DAO Pattern
DAO Pattern
DAO
DAO Implementation
Mock Object
Changing Implementation
Projects
Projects
DAO Pattern Presidents
Java Persistence API (JPA)
Java Persistence API (JPA)
Intro to JPA
Intro to JPA
What is JPA
Dependencies
Persistence XML
Entity Class
Mapping Fields
Entity Manager
Labs
Additional Mapping Annotations
Additional Mapping Annotations
Generated Value
Temporal
Enumerated
Labs
CRUD
CRUD
Create
Update
Delete
Labs
JPQL
JPQL
Basic Queries
Query Params
Querying for Properties
Retrieve Multiple Properties
Labs
Intermediate JPQL
Intermediate JPQL
Order
Group
Aggregates
Labs
Intro to Relationships
Intro to Relationships
Relationships
Accessing Multiple Tables
Many to One
Many to One
Uni-Directional ManyToOne
Bi-Directional ManyToOne
Add and Remove
Labs
One to One
One to One
One to One
Labs
Many to Many
Many to Many
Many to Many
Add and Remove
Eager and Lazy
Labs
Association Classes
Association Classes
Association Classes
Mapping Options
Labs
CRUD with Relationships
CRUD with Relationships
Persisting with Foreign Keys
Persisting Multiple Elements
Cascading
Labs
JPQL with Relationships
JPQL with Relationships
Fields That Are Objects
Fields That Are Collections
Review
Labs
Testing with JUnit
Testing with JUnit
Spring Boot Integration
Spring Boot Integration
Integrating Spring Boot and JPA
Application Properties
DAO
Controller
Multi Project
Labs
Projects
Projects
RESTful Web Services
RESTful Web Services
Intro to REST
Intro to REST
Serialization
Serialization
Spring Rest
Spring Rest
Request and Response Objects
Request and Response Objects
Review
Review
Projects
Projects
Event Tracker
API Project
Data Structures & Algorithms
Data Structures & Algorithms
Algorithms and Data Structures
Algorithms and Data Structures
Intro to Arrays
Array Search Algorithms
Graph Search Algorithms
Asymptotic Notations
Algorithm Design and Pseudocode
Data Structures
Data Structures
Array
Linked List
Stack
Queue
Deque
Priority Queue
Hash Table
Binary Search Tree
AVL Tree
Red Black Tree
B-Tree
Heap
Trie
Graph
Sorting Algorithms
Sorting Algorithms
Bubble Sort
Selection Sort
Insertion Sort
Merge Sort
Quick Sort
Heap Sort
Counting Sort
Radix Sort
Bucket Sort
Shell Sort
Tree Sort
Timsort
Computer Science Fundamentals
Computer Science Fundamentals
Programming Fundamentals
Discrete Math
Discrete Math
Basic Set Notations
Advanced Set Notations
Set Notations with Quantifiers
Quantifiers
Functions as Sets
Injection Surjection Bijection
Relations
Boolean Operators
Propositional Logic
Recursive Summation Operators
Counting Combinatorics
Aleph Null
Computer Architecture
Computer Architecture
Transistor to Logic Gate
Clocked Circuits
D Flip-Flop and Memory Devices
Tracking Circuit Changes
Assembly Programming
Assembly Programming
Installing River Spider
TTP General Description
TTP Architecture
TTP Programming
TTP Conditional Jumps
Tracing TTP Execution
Function Calls and Returns
Caller Callee Agreement
Parameters and Local Variables
Implementation Structures in Ttpasm
Compiling Control Structures
Structures and Arrays in Ttpasm
Educational Technology
Educational Technology
Intro to Git
Markdown GitHub OER
GitHub Markdown OER for Students
GitHub and OER
Custom GPT Educational Tool
Custom GPT Instructions
Student Centric GenAI
Students Guide to GenAI
Open Educational Resources
Federal Documents
Federal Documents
Declaration of Independence
Declaration of Independence
US Constitution
US Constitution
Preamble
Article 1
Article 2
Article 3
Article 4
Article 5
Article 6
Article 7
Bill of Rights
Amendments
Federalist Papers
Federalist Papers
Paper 1
Paper 2
Paper 3
Paper 4
Paper 5
Paper 6
Paper 7
Paper 8
Paper 9
Paper 10
Paper 11
Paper 12
Paper 13
Paper 14
Paper 15
Paper 16
Paper 17
Paper 18
Paper 19
Paper 20
Paper 21
Paper 22
Paper 23
Paper 24
Paper 25
Paper 26
Paper 27
Paper 28
Paper 29
Paper 30
Paper 31
Paper 32
Paper 33
Paper 34
Paper 35
Paper 36
Paper 37
Paper 38
Paper 39
Paper 40
Paper 41
Paper 42
Paper 43
Paper 44
Paper 45
Paper 46
Paper 47
Paper 48
Paper 49
Paper 50
Paper 51
Paper 52
Paper 53
Paper 54
Paper 55
Paper 56
Paper 57
Paper 58
Paper 59
Paper 60
Paper 61
Paper 62
Paper 63
Paper 64
Paper 65
Paper 66
Paper 67
Paper 68
Paper 69
Paper 70
Paper 71
Paper 72
Paper 73
Paper 74
Paper 75
Paper 76
Paper 77
Paper 78
Paper 79
Paper 80
Paper 81
Paper 82
Paper 83
Paper 84
Paper 85
Antifederalist Papers
Antifederalist Papers
Paper 1
Paper 2
Paper 3
Paper 4
Paper 5
Paper 6
Paper 7
Paper 8
Paper 9
Paper 10
Paper 11
Paper 12
Paper 13
Paper 14
Paper 15
Paper 16
Paper 17
Paper 18
Paper 19
Paper 20
Paper 21
Paper 22
Paper 23
Paper 24
Paper 25
Paper 26
Paper 27
Paper 28
Paper 29
Paper 30
Paper 31
Paper 32
Paper 33
Paper 34
Paper 35
Paper 36
Paper 37
Paper 38
Paper 39
Paper 40
Paper 41
Paper 42
Paper 43
Paper 44
Paper 45
Paper 46
Paper 47
Paper 48
Paper 49
Paper 50
Paper 51
Paper 52
Paper 53
Paper 54
Paper 55
Paper 56
Paper 57
Paper 58
Paper 59
Paper 60
Paper 61
Paper 62
Paper 63
Paper 64
Paper 65
Paper 66
Paper 67
Paper 68
Paper 69
Paper 70
Paper 71
Paper 72
Paper 73
Paper 74
Paper 75
Paper 76
Paper 77
Paper 78
Paper 79
Paper 80
Paper 81
Paper 82
Paper 83
Paper 84
Paper 85
Kryptos
Kryptos
K0
K1
K2
K3
K4
K5
Ciphers
Ciphers
ADFGVX Cipher
Affine Cipher
Alberti Cipher
Alphabet Cipher
Alphabetum Kaldeorum
Arnold Cipher
Ä€ryabhaá¹a Numeration
Atbash
Autokey Cipher
Bacon's Cipher
Beaufort Cipher
Bifid Cipher
Book Cipher
Caesar Cipher
Chaocipher
Classical Cipher
Copiale Cipher
Dryad
Four Square Cipher
Great Cipher
Grille
Hill Cipher
M-94
Mlecchita Vikalpa
Nihilist Cipher
Null Cipher
Pig Latin
Pigpen Cipher
Playfair Cipher
Poem Code
Polyalphabetic Cipher
Polybius Square
Rail Fence Cipher
Rasterschlüssel 44
Reihenschieber
Reservehandverfahren
ROT13
Running Key Cipher
Scytale
Shackle Code
Sheshach
Straddling Checkerboard
Substitution Cipher
Tabula Recta
Tap Code
Thomas Brierley Grave Cipher
Transposition Cipher
Trifid Cipher
Two Square Cipher
VIC Cipher
Vigenère Cipher
Wadsworth's Cipher
Wahlwort
SCOTUS Cases
SCOTUS Cases
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2016
14-1055
14-1538
14-9496
15-1031
15-1039
15-1111
15-1189
15-118
15-1191
15-1194
15-1248
15-1251
15-1256
15-1262
15-1293
15-1358
15-1391
15-1406
15-1500
15-1503
15-214
15-423
15-457
15-497
15-513
15-537
15-577
15-5991
15-606
15-628
15-649
15-680
15-7250
15-777
15-797
15-8049
15-827
15-8544
15-866
15-9173
15-9260
15-927
16-1023
16-1116
16-1177
16-142
16-1436
16-149
16-240
16-254
16-309
16-327
16-32
16-341
16-348
16-349
16-369
16-373
16-399
16-405
16-466
16-5294
16-529
16-54
16-605
16-6219
16-6316
16-67
16-74
16-992
2017
2017
137Orig
141Orig
142Orig
15-1204
15-1439
15-1485
15-1498
15-1509
16-1011
16-1017
16-1027
16-1067
16-111
16-1140
16-1144
16-1150
16-1161
16-1215
16-1220
16-1276
16-1348
16-1362
16-1371
16-1423
16-1432
16-1435
16-1454
16-1466
16-1468
16-1495
16-1519
16-285
16-299
16-402
16-424
16-460
16-476
16-498
16-499
16-534
16-658
16-6795
16-6855
16-712
16-784
16-8255
16-9493
16-961
16-969
16-980
17-1106
17-130
17-1364
17-155
17-193
17-21
17-269
17-2
17-312
17-333
17-387
17-432
17-43
17-459
17-467
17-494
17-515
17-530
17-5639
17-5716
17-586
17-6075
17-654
17-742
17-801
17-965
2018
2018
16-1094
16-1275
16-1363
16-1498
17-1011
17-1026
17-1042
17-1077
17-1091
17-1094
17-1104
17-1174
17-1184
17-1201
17-1229
17-1272
17-1299
17-1307
17-1471
17-1484
17-1594
17-1606
17-1625
17-1657
17-1660
17-1672
17-1702
17-1705
17-1717
17-204
17-290
17-340
17-419
17-532
17-5554
17-571
17-587
17-6086
17-646
17-647
17-71
17-7505
17-765
17-773
17-778
17-8151
17-8995
17-949
17-9560
17-9572
17-961
17-988
18-15
18-266
18-272
18-281
18-302
18-315
18-389
18-422
18-431
18-443
18-457
18-459
18-481
18-483
18-485
18-489
18-525
18-56
18-6210
18-966
18-96
2019
2019
17-1107
17-1268
17-1498
17-1618
17-1678
17-1712
17-834
18-1023
18-1048
18-1059
18-1086
18-1109
18-1116
18-1150
18-1165
18-1171
18-1195
18-1233
18-1269
18-1323
18-1334
18-1432
18-1501
18-1584
18-260
18-280
18-328
18-556
18-565
18-587
18-5924
18-6135
18-6662
18-6943
18-725
18-7739
18-776
18-801
18-8369
18-877
18-882
18-916
18-921
18-935
18-938
18-9526
18-9674
19-122
19-161
19-177
19-267
19-431
19-465
19-46
19-518
19-5421
19-631
19-635
19-67
19-715
19-7
19A1016
20A8
2020
2020
142Orig
18-1259
18-1447
18-540
18-956
19-1039
19-108
19-1108
19-1155
19-1189
19-1231
19-123
19-1257
19-1261
19-1302
19-1414
19-1434
19-1442
19-199
19-251
19-292
19-309
19-351
19-357
19-368
19-416
19-422
19-438
19-508
19-511
19-5410
19-546
19-547
19-5807
19-71
19-783
19-840
19-863
19-8709
19-897
19-930
19-963
19-968
20-107
20-1084
20-1212
20-157
20-18
20-222
20-255
20-297
20-315
20-334
20-366
20-382
20-391
20-437
20-440
20-472
20-507
20-512
20-543
20-5904
20-940
20A151
20A87
21A23
65Orig
2021
2021
143Orig
19-1392
19-1401
19-896
20-1009
20-1029
20-1034
20-1088
20-1114
20-1143
20-1263
20-1312
20-1410
20-1459
20-1472
20-1530
20-1539
20-1566
20-1573
20-1641
20-1650
20-1668
20-1775
20-1800
20-219
20-303
20-322
20-443
20-480
20-493
20-5279
20-601
20-603
20-637
20-659
20-7622
20-804
20-807
20-826
20-827
20-828
20-843
20-915
20-979
21-12
21-147
21-234
21-248
21-309
21-328
21-401
21-404
21-418
21-429
21-439
21-441
21-463
21-499
21-511
21-5592
21-5726
21-588(21A85)
21-954
21A240
21A244
21A471
2022
2022
145Orig
156Orig
20-1199
21-1043
21-1052
21-1086
21-1158
21-1164
21-1168
21-1170
21-1195
21-1270
21-1271
21-1326
21-1333
21-1397
21-1436
21-1449
21-1450
21-1454
21-1484
21-1496
21-1576
21-1599
21-376
21-432
21-442
21-454
21-468
21-476
21-757
21-806
21-846
21-857
21-869
21-86
21-887
21-908
21-984
22-105
22-10
22-138
22-148
22-166
22-174
22-179
22-196
22-200
22-210
22-227
22-23
22-381
22-49
22-506
22-535
22-58
22-714
22-96
2023
2023
141Orig
22-1008
22-1025
22-1074
22-1078
22-1079
22-1165
22-1178
22-1218
22-1238
22-193
22-277
22-324
22-340
22-429
22-448
22-451
22-500
22-529
22-585
22-611
22-6389
22-660
22-666
22-674
22-704
22-721
22-7386
22-800
22-807
22-842
22-846
22-859
22-888
22-899
22-913
22-915
22-976
22-982
23-108
23-124
23-146
23-14
23-175
23-21
23-235
23-250
23-334
23-367
23-370
23-3
23-411
23-50
23-51
23-5572
23-719
23-726
23-939
23A349
24A78
2024
2024
22-7466
23-1095
23-1127
23-167
23-191
23-217
23-583
23-621
23-6573
23-677
23-713
23-753
23-825
23-867
23-900
23-970
23-971
23-980
24-539
24-656
Playfair Cipher
Up