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Help tools

The topics in this category are very useful.

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