You need a scientific calculator, or one with function keys.
2s & 3s
yes they can be used as a calculator!
The Circle of Keys is a diagram of all Major and minor keys signatures. The sharp keys are arranged from the top, moving clockwise. The flat keys are arranged from the top, moving counterclockwise. There are fifteen Major keys: seven sharp keys, seven flat keys, and one key with no sharps or flats. Likewise, there are fifteen relative minor keys. The keys at the bottom of the circle are called enharmonic keys because their tones sound the same but are named and written differently. The Circle of Keys is sometimes called the Circle of Fifths because the keys are arranged an interval of a fifth apart.
Modern keyboard keys are arranged according to the QWERTY design by Christopher Sholes.
The answer depends on your calculator but many have shortcut keys for "x10x" or something similar.
they arranged it from the top row to the bracket on the keyboard.
The keys in a computer are arranged in a haphazard manner because,previously when computers were not there,typewriters were used for typing documents.Initially,the keys of a typewriter were arranged in alphabetical order.So the people would go on typing at ease, without any problem and so, the speed of typing was very fast.As a result,the sticks of the typewriter,which were connected to the keys would get tangled up thus resulting in the collapse of the machine.So, the keys were arranged in a haphazard manner to make it difficult for the user to type.This practice continued in the computers as well.
An instrument that has 15 metal keys is called a nyunga nyunga. These 15 keys are arranged in 2 different rows and is a type of mbira instrument.
There are no special keys for this situation. You must simply apply the appropriate formulae.
A very good question, except you could equally ask why the numbers are arranged in reverse order on a phone.
numeric keypad