Answer:
cryptography
Explanation:
cryptography
In computer science, cryptography refers to secure information and communication techniques derived from mathematical concepts and a set of rule-based calculations called algorithms, to transform messages in ways that are hard to decipher
I have concluded the answer is a
In excel spreadsheets, you need to consider specifying relationships between the information you have
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you understand using spreadsheet are the constants, operators, references and
functions. This will enable you to use the formulas, without hassle in
spreadsheets.
