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How were pie and bar charts done before computers?
The numbers were calculated by hand or by whatever method was available. The charts then were drawn by hand or sketched and sent to a graphics arts department to be produced for presentations. Kind of like people used to write letters with a pen on paper, before computers came along (and, probably before typewiters too).
Who invented the abacus when it was invented why it was invented and who invented it?
jv
When was the phone chargers invented?
Gloria Mejia invented it and she invented it in 1998
When invented resistor?
invented in 500BC before electricity was invented
When was the CD player invented and who invented it?
The CD was invented in 2001 Thomas clamps invented it.
When was snickerdoodles invented and where?
When and where were snickerdoodles invented Why were snickerdoodles invented
When was the washboard invented?
who invented the washboard?
Is the computer invented or not?
Yes, the computer is invented.
What is the past participle of invented?
Invented is the past participle of the verb invent. verb /past /past participle = invent /invented /invented
What year was sprite invented?
when was sprite invented ! == == when was sprite invented ! == ==
Who invented the rudder?
The Chinese invented the Rudder.it was invented by the Chinese
Who invented the first quadbike?
how invented the quad bike how invented the quad bike how invented the quad bike
