A secondary carbocation is one in which there. are two carbons attached to the carbon bearing the positive charge. Likewise, a tertiary. carbocation is one in which there are three carbons attached to the carbon bearing the. positive charge. Methyl carbocations. No CâC+ bonds.
Numeric keypad. A numeric keypad, number pad, numpad, or ten key, is the palm-sized, 17-key section of a standard computer keyboard, usually on the far right.It provides calculator-style efficiency for entering numbers.he arrangement of digits on numeric keypads with the 7-8-9 keys two rows above the 1-2-3 keys is derived from calculators and cash registers. It is notably different from the layout of telephone Touch-Tone keypads which have the 1-2-3 keys on top and 7-8-9 keys on the third row.
nuâ¢merâ¢iâ¢cal (nuËmÉr Éª kÉl, nyu-) also nuâ¢merâ²ic, adj. 1. of or pertaining to numbers; of the nature of a number. 2. indicating a number, as a symbol. 3. bearing or designated by a number. 4. expressed in numbers: numerical equations.