剛讀完大一的課程，對微積分，會計，經濟學這三門知識，有很多問題
有什麼方法可幫助學習和理解
這三門知識和定義是什麼?
為什麼需要學習這三門知識?
請問微分的公式和口訣
對積分中的分佈積分和瑕積分有不明之處
會計的account payable，account receive able，和 allowance for bad debts 有不明之處
經濟的GDP GNP NDP 等等有不明之處
懇請各位幫我解答，有20點
有關大學微積分，會計，經濟的課程問題(20點)
2015-06-23 8:46 am
回答 (2)
2015-06-23 5:54 pm
✔ 最佳答案
你開始會問問題都算大學這第一年沒有浪費，不過提問的內容的"對口"/"對象"就有點不對。這些科目都是大學教授/講師可以回答你，再由你自己互相參照歸納認知，假如未能釋透當中的詳細問題，便要向學者再討教，或者實際地上課學識當中的"理論"或"技術"，從而"融會貫通"。依我的認知，這三科雖然是商科的必修科，不過每科都可以是獨立的科目。
微積分基本是數學科的一種工具，可以用來計算工程設計和效能，用作做科學實驗的演算，作為電腦工程和作業的計算程式....商業或金融上用作"統計"或計算"預測"。所以總結而言是作為別的科目的"數學工具"，怎樣應用和用何種程
式則由那科目/需要計算的"專家"按功能設定和計算。
會計是商業中的專科，主要的有系統地設定一套計算"收支"和商業運作"成積"的模式。所以學科教的是現行的標準"入數"和"計算"方法。學識後在社會的商業機構或國際的標準運作中便跟別人/世界可以有共同的工作和表達方法(當然要留意不同國家或會有不同)。
經濟學是研究世界的人類在「交易」上的模式及變化。可能學術上定義"經濟"便是"金錢"的價值，不過不論宏觀的經濟理論(由人與人/社會與社會間由原始的交易模式甚至全球化價值差異的影響)或是微觀經濟的研究(個人消費形態或維持一間公司的生產力或競爭力)都可能是"經濟"來理解交易的"形成"或"失效"。
以上是個人認知和理解，並不是高等學術說法，還請見諒。至於你提問的細節內容的"不明"，請恕未能在此回應，還請向大學的"教員"問這些。
例如GDP/GNP/NDP這類統計指標，已有經濟學者提出只是反映社會/國家的某一種表現，並且會使人類社會只集中某種"活動"模式，卻未能全面反映社會/國家的"經濟"在人民/社會中的成效。當你學懂基本知識的同時，希望大學的空間讓你接收和認識不同的"理論"或"研究"以至展望和"發展"未來的世界，並不只是識沿用前人建構的東西。
2015-06-29 1:47 am
Accounting:
Accounts Payable: current liabilities for goods & services purchased on credit.
For example, Machinery is purchased for $8,000 on credit from ABC co.
(our creditor). The transaction would be as follow:
Debit Machinery $8,000 & Credit Accounts Payable-ABC co. $8,000
(Note: Accounts Payable will appear in the Balance Sheet under current
liabilities category)
Accounts Receivable: current assets which to be converted into cash
within one year. For example, the goods are sold for $8,000 on credit
to ABC co(our debtor). Then the transaction would be as follow:
Debit Accounts Receivable -ABC co $8,000 & Credit Sales Revenue $8,000
(Note: Accounts Receivable will appear in the Balance Sheet under
current asset category)
Allowance for Bad Debt: for example, assume in the first year of operation,
a firm has estimated that $2,000 of accounts receivable will be uncollectible.
Then the adjusting entry would be: Debit Bad Debts $2,000 and Credit
Allowance for Bad Debt $2,000
(Note: the allowance for bad debt of $2,000 will be deducted from
accounts receivable under current asset)
For example:
Accounts Receivable: $10,000
less: Allowance for bad debt $2,000 $8,000
Economics:
Gross Domestic Product (GDP): measures the total market value of
all final output produced by the resident producing units of an economy
in a specific period(i.e. a year or a quarter), before deducting allowance
for depreciation.
Gross National Product (GNP): measures the total income earned from
engaging in various economic activities by the residents of an economy
in a specific period
Net Domestic Product (NDP): an annual measure of the economic output
of a nation that is adjusted to account for depreciation, calculated by
subtracting depreciation from the GDP.
Accounts Payable: current liabilities for goods & services purchased on credit.
For example, Machinery is purchased for $8,000 on credit from ABC co.
(our creditor). The transaction would be as follow:
Debit Machinery $8,000 & Credit Accounts Payable-ABC co. $8,000
(Note: Accounts Payable will appear in the Balance Sheet under current
liabilities category)
Accounts Receivable: current assets which to be converted into cash
within one year. For example, the goods are sold for $8,000 on credit
to ABC co(our debtor). Then the transaction would be as follow:
Debit Accounts Receivable -ABC co $8,000 & Credit Sales Revenue $8,000
(Note: Accounts Receivable will appear in the Balance Sheet under
current asset category)
Allowance for Bad Debt: for example, assume in the first year of operation,
a firm has estimated that $2,000 of accounts receivable will be uncollectible.
Then the adjusting entry would be: Debit Bad Debts $2,000 and Credit
Allowance for Bad Debt $2,000
(Note: the allowance for bad debt of $2,000 will be deducted from
accounts receivable under current asset)
For example:
Accounts Receivable: $10,000
less: Allowance for bad debt $2,000 $8,000
Economics:
Gross Domestic Product (GDP): measures the total market value of
all final output produced by the resident producing units of an economy
in a specific period(i.e. a year or a quarter), before deducting allowance
for depreciation.
Gross National Product (GNP): measures the total income earned from
engaging in various economic activities by the residents of an economy
in a specific period
Net Domestic Product (NDP): an annual measure of the economic output
of a nation that is adjusted to account for depreciation, calculated by
subtracting depreciation from the GDP.
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