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Help tools

The topics in this category are very useful.

Calendar
Calendar
Text functions
Text functions
QR-code
QR-code
Text in ASCII-art
Text in ASCII-art
Equation Solver
Equation Solver
Round images
Round images
BMI
BMI
Cheat sheet
Cheat sheet
Biorhythm
Biorhythm
Lotto generator
Lotto generator
Function graph
Function graph
Relative luminance
Relative luminance
Response time
Response time
Password generator
Password generator
ASCII generator
ASCII generator