Yep. ZX81 BASIC had 26 string variables (A$ through Z$) and 26 floating point variables (A through Z). No integer variables per se, but you could POKE and PEEK

Yep. ZX81 BASIC had 26 string variables (A$ through Z$) and 26 floating point variables (A through Z). No integer variables per se, but you could POKE and PEEK to get at 8-bit values anywhere in memory - which typically maxed out at 16K.