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In chemistry, a radical clock is a chemical compound that assists in the indirect methodology to determine the kinetics of a free-radical reaction. The radical-clock compound itself reacts at a known rate, which provides a calibration for determining the rate of another reaction.
The FX-603P was a programmable calculator, manufactured by Casio from 1990. It was the successor model to the Casio FX-602P . Since it was only released in a limited number of countries in small quantities, it is now an excessively rare item which commands high prices when sold.
In 1998, the Casio fx-991W model used a two-tier (multi-line) display and the system was termed as S-V.P.A.M. (Super V.P.A.M.). The model featured a 5×6-dot LCD matrix cells on the top line of the screen and a 7-segment LCD on the bottom line of the screen that had been used in Casio fx-4500P programmable calculators. [1]
Casio also makes label printers which can be used with rolls of paper for the Casio BASIC calculators. [2] Programs, variables, data, and other items can be exchanged from one calculator to another (via SB-62 cable) and to and from a computer (via USB cable). All new models of Casio graphing calculators have both ports and include both cables.
Casio character set (prefixed with 0xE5) [1] 0 1 2 3 4 5 6 7 8 9 A B C D E F 0x À 00C0: Á 00C1: Â 00C2: Ã 00C3: Ä 00C4: Å 00C5: Æ 00C6: Ç 00C7: È 00C8: É ...
In a free-radical addition, there are two chain propagation steps. In one, the adding radical attaches to a multiply-bonded precursor to give a radical with lesser bond order. In the other, the newly-formed radical product abstracts another substituent from the adding reagent to regenerate the adding radical. [3]: 743–744
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A Casio WVA-200 radio controlled data bank (right) Casio C-80 is the first calculator watch to be ever produced. The Databank CD-40 and CD-401 are the first Databank watches, debuting in 1983. It is one of the first digital watches developed in the 1980s that allows the user to store information, following a Pulsar model released in 1982. [1]