Complex sentence: It is generally agreed that FOCAL was more efficient in its use of resources than comparable BASIC systems; on a typical machine of the day (often with 6 to 24 kilobytes of core memory), FOCAL could handle larger and more difficult programming tasks than BASIC.
Split into simpler sentences: It is generally agreed that FOCAL was more efficient in its use of resources than comparable BASIC systems. On a typical machine of the day (often with 6 to 24 kilobytes of core memory), FOCAL could handle larger and more complex programming tasks than BASIC.