| noun | a message written in a secret code |
| noun | a mathematical element that when added to another number yields the same number |
| noun | a quantity of no importance “it looked like nothing I had ever seen before” |
| noun | a person of no influence |
| noun | a secret method of writing |
| verb | convert ordinary language into code “We should encode the message for security reasons” |
| verb | make a mathematical calculation or computation |
| cipher | verb | convert ordinary language into code |
| cypher | verb | convert ordinary language into code |
| zero | verb | adjust (an instrument or device) to zero value |
| code | noun | (computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions |
| coder | noun | a person who designs and writes and tests computer programs |
| coding | noun | act of writing in code or cipher |
| cipher | noun | a message written in a secret code |
| cypher | noun | a secret method of writing |
| encryption | noun | the activity of converting data or information into code |
| calculable | adjective | capable of being calculated or estimated |
| calculus | noun | the branch of mathematics that is concerned with limits and with the differentiation and integration of functions |
| calculation | noun | problem solving that involves numbers or quantities |
| calculator | noun | an expert at calculation (or at operating calculating machines) |
| computation | noun | problem solving that involves numbers or quantities |
| computer | noun | an expert at calculation (or at operating calculating machines) |
| reckoner | noun | an expert at calculation (or at operating calculating machines) |
| reckoning | noun | problem solving that involves numbers or quantities |
| figure | noun | the property possessed by a sum or total or indefinite quantity of units or individuals |
| figurer | noun | an expert at calculation (or at operating calculating machines) |
| figuring | noun | problem solving that involves numbers or quantities |