Search results
Results From The WOW.Com Content Network
A partially disassembled Curta calculator, showing the digit slides and the stepped drum behind them Curta Type I calculator, top view Curta Type I calculator, bottom view. The Curta is a hand-held mechanical calculator designed by Curt Herzstark. [1] It is known for its extremely compact design: a small cylinder that fits in the palm of the hand.
An electronic pocket calculator with a seven-segment liquid-crystal display (LCD) that can perform arithmetic operations. A modern scientific calculator with an LCD. An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.
The discount, or charge, is the difference between the original amount owed in the present and the amount that has to be paid in the future to settle the debt. [1] The discount is usually associated with a discount rate, which is also called the discount yield. [1][2][4] The discount yield is the proportional share of the initial amount owed ...
A merry-go-round at a park in Georgia. A roundabout (British English), merry-go-round (American English), or carousel (Australian English), is a piece of playground equipment, a flat disk, frequently about 2 to 3 metres (6 ft 7 in to 9 ft 10 in) in diameter, with bars on it that act as both hand-holds and something to lean against while riding.
Media in category "Playground equipment" This category contains only the following file. Merry-go-round.jpg 800 × 639; 176 KB
Most injuries on public playground equipment were associated with climbing equipment (53%), swings (19%), and slides (17%). Falls to the surface was a contributing factor in 79% of all injuries. On home equipment, 81% were associated with falls. In 1995, playground-related injuries among children ages 14 and younger cost an estimated $1.2 ...
A scientific calculator is an electronic calculator, either desktop or handheld, designed to perform calculations using basic (addition, subtraction, multiplication, division) and advanced (trigonometric, hyperbolic, etc.) mathematical operations and functions. They have completely replaced slide rules as well as books of mathematical tables ...
As the first electronic educational toy, [6] [7] the Little Professor is a common item on calculator collectors' lists. [8] In 1976, the Little Professor cost less than $20. More than 1 million units sold in 1977. [9] The second generation Little Professor was designed by Mark Bailey whilst working for Raffo and Pape.