Calculating Conversions

Refer to: <a href="/node/1710">Interpretting the Rolls</a>.<br /><br />Seems to me that the actual ability score is irrelevant in d20 system... the only thing of value is the ability score modifier. For example, a character who has a DEX score of 16-17 is treated identically throughout all of the rules, each providing a +3 modifier to all rolls. Since the score is not relavent, then why not just figure the conversion out using the modifier?<br /><br />A SF character's ability score would be 45+(5xModifier). For example, a d20 character with a STR of 16 (Modifier of +3) would have a Star Frontiers score of (45+5x3=) 60%. <br /><br />Likewise, a Star Frontiers character with a LOG of 65% would be converted to a d20 character with an Intelligence of (65-45)/5... or +4... which is a d20 score of 18.<br /><br />Scores below average would go the same way: a score of 30 in Star Frontiers would be the equivalent of (30-45=-15, -15/5=) -3, which would translate to a d20 score of 5.<br /><br />I guess either way works, but this was my take when I initially considered things.

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