People generally seem to write Okay in one of four ways, of which only the first two are valid: ok - correct. OK – correct, but see note below. OK - incorrect, the first letter should only be capitalized at the beginning of a sentence. OK · incorrect, no points needed. There is no fixed rule as to whether you should use OK. To create a formula that checks whether two cells match, compare the cells using the equals sign. in the logical test of IF. For example: IF B2 C2, Same score, To check if both cells contain the same text, including letter case, make your IF formula case sensitive using the EXACT function.5. Study basic grammar. To speak a language correctly, it is necessary to study the grammar specific to that language. Russian grammar can seem quite intimidating to a native English speaker at first, due to unfamiliar grammatical concepts such as gender and the case system. About Press Copyright Contact Us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube Works Test New Features NFL Sunday Ticket Press Copyright . In summary, "OK" and "ok" are both OK or "ok", "OK" or "ok" depending on your preference. The only things you need to know are: “OK” and “ok” both mean “fine”. You can therefore use them to express your agreement, satisfaction or approval. You can use either spelling even in formal writing