Spectensys

Spectensys
Calculator

This is a simple calculator which allows you to:- Perform basic operations (addition, subtraction, multiplication and division);- Calculate the percen …
Percentage

This is a simple percentage calculator which allows you to:- Calculate the percentage, the percentage increase and percentage decrease of a number, al …
When

This is a simple application which allows you to record the date and time of events or of moments of interest, such as: “When did I start working on t …