Looking After a Calculator Keypad
Calculators are rarely thrown away because they stop calculating. They are thrown away because a key stops responding. What kills keys Dust, crumbs and spi
Exam Rules and Calculator Models
Every year students arrive at an examination with a calculator they cannot use. The rules are not complicated but they are specific. Read the board's list
Solar, Battery or Dual Power
How a calculator is powered decides how it behaves on the day you need it. Dual power is the practical answer Most desk and scientific calculators use a so
Desktop Calculators: Keys, Display and Why They Last
A desktop calculator is a single-purpose tool, which is exactly why the details of using it matter so much. The keys are the product Anyone entering figure
Scientific or Graphing: Which Calculator the Course Needs
The difference is not simply that one is more advanced. They are built for different tasks. What a scientific calculator does Trigonometry, logarithms, pow