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Home > College Algebra
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1. Number Operation
1. Decimal :
Addition,
Subtraction,
Multiplication,
Division
2. Binary :
Addition,
Subtraction,
Multiplication,
Division
3. Octal :
Addition,
Subtraction,
Multiplication,
Division
4. HexaDecimal :
Addition,
Subtraction,
Multiplication,
Division
5. Any base (2-36) :
Addition,
Subtraction,
Multiplication,
Division
2. BCD and Excess 3 Addition and Subtraction using 9's or 10's complement Method
1. BCD Addition
2. BCD Subtraction using 9's complement
3. BCD Subtraction using 10's complement
4. Excess 3 Addition
5. Excess 3 Subtraction using 9's complement
6. Excess 3 Subtraction using 10's complement
3. Number System Conversion
1. Decimal to Binary
2. Decimal to Octal
3. Decimal to Hexadecimal
4. Binary to Decimal
5. Binary to Octal
6. Binary to Hexadecimal
7. Octal to Decimal
8. Octal to Binary
9. Octal to Hexadecimal
10. Hexadecimal to Decimal
11. Hexadecimal to Binary
12. Hexadecimal to Octal
13. Decimal to Any base
14. Any base to Decimal
15. Any base to Any base
16. Decimal To BCD
17. Binary To BCD
18. Octal To BCD
19. Hexadecimal To BCD
20. BCD To Decimal
21. BCD To Binary
22. BCD To Octal
23. BCD To Hexadecimal
24. BCD To Excess 3
25. Decimal To Excess 3
26. Binary To Excess 3
27. Octal To Excess 3
28. Hexadecimal To Excess 3
29. Excess 3 To Decimal
30. Excess 3 To Binary
31. Excess 3 To Octal
32. Excess 3 To Hexadecimal
33. Excess 3 To BCD
34. Decimal To Gray code
35. Binary To Gray code
36. Octal To Gray code
37. Hexadecimal To Gray code
38. Gray code To Decimal
39. Gray code To Binary
40. Gray code To Octal
41. Gray code To Hexadecimal
4. Number complement method
1. 1's complement method
2. 2's complement method
3. 7's complement method
4. 8's complement method
5. 9's complement method
6. 10's complement method
7. 15's complement method
8. 16's complement method
5. Number complement subtraction method
1. 1's complement subtraction method
2. 2's complement subtraction method
3. 7's complement subtraction method
4. 8's complement subtraction method
5. 9's complement subtraction method
6. 10's complement subtraction method
7. 15's complement subtraction method
8. 16's complement subtraction method
6. Matrix Algebra
7. Numerical Methods
8. Statistics
9. Operation Research (OR)
10. Definitions of truth table
11. Laws of logical connectives
12. Truth table
13. Valid or invalid argument
14. Boolean Algebra
15. Karnaugh Map method (Kmap)
16. Quine-McCluskey method
17. Chinese Remainder Theorem
18. Modulo
19. Power Mod / Fast modular exponentiation
20. Fermat's Little Theorem 3^302 mod 5
21. Extended Euclidean Algorithm
22. Euclid's Algorithm
23. Modular multiplicative inverse
24. Fermat's Little Theorem a=3, p=5
25. Binary to gray code converter
26. Gray code to binary converter
27. Restoring Division Algorithm For Unsigned Integer
28. Non-Restoring Division Algorithm For Unsigned Integer
29.1 Missing Digits solver, fill in the blank solver
29.2 Alphametic Puzzles, Algebrograms, Cryptarithms, Cryptograms solver
29.3 Missing Operators solver
30. Run Length Encoding
31. Run Length Decoding
32. Ciphers
1. A1Z26 Cipher (Letter to number Cipher)
2. ADFGVX Cipher
3. ADFGX Cipher
4. Affine Cipher
5. Alberti Cipher
6. AMSCO Cipher
7. Atbash Cipher
8. Autokey Cipher / Autoclave Cipher
9. Bacon Cipher
10. Beaufort Cipher
11. Bifid Cipher
12. Caesar Cipher / Additive cipher / Shift Cipher
13. Chaocipher
14. Columnar transposition Cipher
15. Double Transposition Cipher
16. Enigma machine Cipher
17. Four Square Cipher
18. Gronsfeld Cipher
19. Hill Cipher
20. Kamasutra Cipher / Vatsyayana Cipher
21. Keyed Caesar Cipher
22. Morse Code Translator
23. Multiplicative Cipher / Decimation Cipher
24. Nihilist Cipher
25. Playfair Cipher
26. Polybius Square Cipher
27. Porta Cipher
28. Rail fence Cipher
29. ROT-5 Cipher
30. ROT-13 Cipher
31. ROT-18 Cipher
32. ROT-47 Cipher
33. ROT-N Cipher / ROT Cipher
34. Running Key Cipher
35. Substitution Cipher / Monoalphabetic Substitution Cipher
36. Tap code Cipher / Knock code Cipher
37. Three Square Cipher
38. Trifid Cipher
39. Trithemius Cipher
40. Two-Square Cipher / Double Playfair Cipher
41. Variant Beaufort Cipher
42. Vigenere Cipher
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